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Finding the Third Proportional to 32,298.75 and 68,436

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Solution

The third proportional to 32,298.75 and 68,436 is: 145,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,298.75 : 68,436 = 68,436 : x
  2. Step 2: Convert to fraction form
    32,298.75/68,436 = 68,436/x
  3. Step 3: Cross multiply
    32,298.75x = 68,436 × 68,436
  4. Step 4: Simplify right side
    32,298.75x = 4,683,486,096
  5. Step 5: Solve for x
    x = 4,683,486,096/32,298.75
  6. Step 6: Final answer
    x = 145,005.18

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.